Function to draw a tilted rectangle

Specify width, height and angle of orientation of the rectangle, that is drawn on an image

% To draw a rectangle at a given pixel location (center) with any width and
% height rotated at an angle
% Input:
% img - image (gray scale or color)
% center - the pixel location of the center of rectangle 2x1 vector
% width - width of rectangle in pixels
% height - height of rectangle in pixels
% angle - rotation angle of rectangle in degrees
% output:
% hdl = handle to figure